对合聚套的加工

• 作 者: 杨俊宇
• 出 处: 机床与工具
• 发表日期: 1955年22期
• 关键词: 花盘 合聚 对合 定位棒 车床 尾座 成批生产 针座 公差 工件中心

对合紧套为紧固车床尾座顶尖芯子用的零件(也有叫上下插榫的),通常有两种形式,一种是裹孔与外圆偏心,裹孔无丝扣(图1a);另一种是裹孔与外圆同心,一头裹孔无扣,一头带丝和(图1σ)。 一、零件尺寸及公差如下表: 二、毛坯的选择: 把两个对合件的料下在一起,加工裹孔外圆和圆弧 以

Tightening sleeve for the fastening of the top core of the lathe tailstock parts (also called the upper and lower tenons), there are usually two forms, one is wrapped with the eccentric cylindrical hole wrapped wire no thread (Figure 1a) ; The other is wrapped with the outer concentric hole, a hole without buckle, a wire with silk (Figure 1σ). First, the size and tolerances of parts as follows: Second, the choice of rough: the two pieces together under the material together, processing the outer cylindrical hole and arc